344 votesNo commented
1. Whilst MS Teams is open, right click in System Tray and hit sign out.
2. You will then be taken to a login page with your email address autofilled. Deliberately enter an INCORRECT email address (.ukk or .comm) and hit sign in.
3. You should then be taken to a different login window, where you have the opportunity to re enter your email, which should then take you to a password window where you can complete your new credentials.